defconfig: arm64: msm: Enable pwm driver for QCS405 perf

Enable pwm driver for QCS405 perf. This allow the pwm driver
to get enable to generate pwm signals for all pwm instances
for QCS405.

Change-Id: Id8cb90df2417f267db5def69a913e5f75dccdddc
Signed-off-by: Saurabh Sahu <sausah@codeaurora.org>